文件名称:3gpp_22.030v090000p
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3GPP 22.083 协议技术文档，2010年V9版，有关呼叫等待和呼叫保持协议-The present document describes the Supplementary Services belonging to the group Call Completion Supplementary
Services.
The general aspects, including definitions and recommended provision, of the descr iption of Supplementary Services
are given in specification TS 22.004 [2].
The group of Call Completion Supplementary Services is divided into the following two Supplementary Services:
- Call waiting (clause 1)
- Call hold (clause 2).
Services.
The general aspects, including definitions and recommended provision, of the descr iption of Supplementary Services
are given in specification TS 22.004 [2].
The group of Call Completion Supplementary Services is divided into the following two Supplementary Services:
- Call waiting (clause 1)
- Call hold (clause 2).
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